Physical And Chemical Changes Question Preview (ID: 48427)


Physical And Chemical Changes. TEACHERS: click here for quick copy question ID numbers.

What is NOT a physical characteristic?
a) the item is still itself
b) something new is created
c) the item can change state
d) the change can often be reversed

Which is a physical change?
a) the production of light
b) the creation of heat
c) a change in shape
d) a new smell

Which is a chemical change?
a) boiling water
b) freezing water
c) making water by joining oxygen and hydrogen atoms
d) dissolving salt in water

Which is a physical change?
a) burning a log in a campfire
b) baking cookies
c) digesting food
d) breaking a glass windshield

Which is a physical change?
a) the identity of the item is different than before
b) a new substance is formed
c) the bonds holding atoms together are broken
d) the identity of the item is the same as before

Which is a physical change?
a) leaves changing color in the fall
b) a person's skin tanning in the sun
c) a paper turning from white to red with paint
d) flamingos turning pink from their diet

A substance that undergoes a physical change, like melting is still the same substance.
a) true
b) false
c)
d)

During a chemical change atoms are never lost or gained to make the new substances.
a) true
b) false
c)
d)

Dissolving is an example of a
a) physical change
b) chemical change
c)
d)

Breaking of an object is an example of a
a) physical change
b) chemical change
c)
d)

Breaking bonds and forming new ones is an example of a
a) chemical change
b) physical change
c)
d)

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